Category: Electronics

My cheese fridge was partially destroyed at the start of July. A car crashed into a power pole carrying both a 22kv distribution line and the 230v line for our house. They . touched . briefly It turns out a…

I’ve always planned to monitor my electricity usage. I had previously (about a year ago!) ordered some power transformers from seeedstudio and a six channel ADC for simultaneous three phase current and voltage measurement but never got around to starting…

Before you can program the ESP8266, you need to wire it up. First things first, the ESP8266 uses a 2mm pin spacing so you can’t use a standard breadboard as these use a 0.1 inch spacing. It also uses 3.3V…

About a year ago I put up some money for the Wino-Board kickstarter project, received my Wino-Boards and did nothing with them for 12 months. They are effectively a tiny Arduino board attached to the innards of an ESP8266 WiFi…

Note: This fix is NOT due to a fault of the Petit Studio Raspberry Pi Camera extension kit, it’s due to the use of cheap HDMI leads. I brought some Petit Studio Raspberry Pi HDMI camera extenders from Tindie. These…

I’m currently involved in a project to set up a solar powered wireless station and wanted to remotely monitor the battery charge process. I looked into a number of charge controllers to see if any of them could be connected…

I posted recently about detecting power loss in an AVR and quickly writing values to EEPROM before power is lost completely and have since received the PCB’s I ordered from oshpark. This is the first time I have ever ordered…

I’m using 30 Amp hobby King ESCs in my Quad Copter. They each come with five bare ends which need connectors soldered to them. Here’s a picture showing the result of about two hours of soldering and heat shrinking. I’ve…